/* ═══════════════════════════════════════════════════════════════════════
   WOW LAYER — gauravbhargava.ai  (v2 no-orb)
   Purpose: keep premium scroll/interactions, remove hero orb.
   Load after style.css and style-3d.css.
   ═══════════════════════════════════════════════════════════════════════ */

/* ── 1. Executive section horizon lines ── */
.home-briefings-contrast,
.home-books-dark-section {
  position: relative;
}

.home-briefings-contrast::before,
.home-books-dark-section::after {
  content: "";
  position: absolute;
  left: 4rem;
  right: 4rem;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(87,185,255,.36),
    rgba(200,151,58,.24),
    transparent
  );
  opacity: .82;
}

.home-briefings-contrast::before {
  top: 0;
}

.home-books-dark-section::after {
  bottom: 0;
}

/* ── 2. Better book/resource depth without changing layout ── */
.light-book-grid {
  perspective: 1200px;
}

.light-book-card {
  transform-style: preserve-3d;
}

.light-book-card .light-book-cover-wrap {
  position: relative;
}

.light-book-card .light-book-cover-wrap::after {
  content: "";
  position: absolute;
  left: 10%;
  right: 10%;
  bottom: -12px;
  height: 18px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(13,59,102,.28), transparent 68%);
  filter: blur(5px);
  opacity: .42;
  transform: translateZ(-1px);
  pointer-events: none;
  transition: opacity .25s ease;
}

.light-book-card:hover .light-book-cover-wrap::after {
  opacity: .62;
}

/* ── 3. Card hover polish that stays executive ── */
.i-card:hover {
  background:
    radial-gradient(circle at 94% 4%, rgba(87,185,255,.10), transparent 38%),
    #fff;
}

.dark-briefing-card,
.light-book-card,
.i-card,
.resource-book-card {
  backface-visibility: hidden;
}

/* ── 4. Reusable control-layer motif for book/resource note ── */
.gb-control-motif {
  position: relative;
  display: grid;
  gap: .44rem;
  width: min(100%, 360px);
  margin-top: 1rem;
  padding: .95rem;
  border-radius: 18px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 18px 44px rgba(0,0,0,.10);
}

.gb-control-layer {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: .65rem;
  align-items: center;
  padding: .58rem .68rem;
  border-radius: 12px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(87,185,255,.16);
  color: #fff;
  font-size: .7rem;
  font-weight: 800;
  transform: translateX(var(--layer-x, 0));
  transition: transform .55s cubic-bezier(.22,1,.36,1), border-color .28s ease, background .28s ease;
}

.gb-control-layer span {
  color: rgba(255,255,255,.66);
  font-weight: 650;
  font-size: .66rem;
}

.gb-control-motif:hover .gb-control-layer {
  transform: translateX(0);
  border-color: rgba(87,185,255,.34);
  background: rgba(255,255,255,.11);
}

.gb-control-layer:nth-child(1) { --layer-x: -5px; }
.gb-control-layer:nth-child(2) { --layer-x: 4px; }
.gb-control-layer:nth-child(3) { --layer-x: -3px; }
.gb-control-layer:nth-child(4) { --layer-x: 6px; }

/* ── 5. Scroll rail styles injected by scroll-rail.js — no duplicate needed ── */

@media (max-width: 768px) {
  .home-briefings-contrast::before,
  .home-books-dark-section::after {
    left: 1.5rem;
    right: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .gb-control-layer,
  .gb-scroll-rail button,
  .light-book-card .light-book-cover-wrap::after {
    transition: none !important;
    transform: none !important;
  }
}